//
//  DownloadOperation.h
//  仿SDWebImage
//
//  Created by WangBiao on 16/9/18.
//  Copyright © 2016年 lsrain. All rights reserved.
//

#import <UIKit/UIKit.h>

@interface DownloadOperation : NSOperation

@property (nonatomic, copy) NSString *URLString;
@property (nonatomic, copy) void(^finishBlock)(UIImage *img);

+ (instancetype)downloadImageWithURLString:(NSString *)URLStirng finishBlcok:(void(^)(UIImage *img))finishBlock;

@end
